Zener Diode Experiment Class 12. We covered all the Zener Diode Experiment Class 12 in this post for free so that you can practice well for the exam.
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Mock Test on Zener Diode Experiment for Students
Zener diode is used :
(A) as an amplifier
(B) as a rectifier
(C) as an oscillator
(D) as a voltage regulator
Option d – as a voltage regulator
Zener diode is used for
(A) amplification
(B) rectification
(C) stabilization
(D) producing oscillations in an oscillator
Option c – stabilization
The zener breakdown will occur, if :
(A) the impurity level is low
(B) the impurity level is high
(C) the impurity is less on the N-side
(D) the impurity is less on P-side
Option b – the impurity level is high
The ripple factor of a power supply is a measure of
(A) diode rating
(B) its filter efficiency
(C) its voltage regulation
(D) purity of power output
Option d – purity of power output
In a general purpose diode avalanche breakdown is more common than zener breakdown because
(A) it is lightly doped
(B) it is heavily doped
(C) here covalent bonds are weak
(D) all of these
Option a – it is lightly doped
Avalanche breakdown is due to :
(A) doping concentration
(B) type of semiconductor
(C) recombination of carriers
(D) collision of carriers
Option d – collision of carriers
A zener diode has a breakdown voltage of 5 V with a maximum power dissipation of 240 mW. The maximum current the diode can handle will be :
(A) 50 mA
(B) 48 mA
(C) 46 mA
(D) 44 mA
Option b – 48 mA
Zener diode can be used as
(A) rectifier
(B) stabilizer
(C) amplifier
(D) both (A) and (B)
Option d – both (A) and (B)
Avalanche breakdown in a semiconductor diode occurs when :
(A) forward current exceeds a certain value
(B) reverse bias exceeds a certain value
(C) forward bias exceeds a certain value
(D) the potential barrier is reduced to zero
Option b – reverse bias exceeds a certain value
Zener breakdown depends on
(A) the number of donor ions
(B) the number of acceptor ions
(C) the velocity of the carriers
(D) the electric field created across the depletion region
Option d – the electric field created across the depletion region
Both avalanche and zener breakdown are commonly known as
(A) Zener breakdown
(B) avalanche breakdown
(C) current breakdown
(D) gain breakdown
Option a – Zener breakdown
Zener diode has a sharp breakdown at :
(A) low forward voltage
(B) at a high forward voltage
(C) at zero voltage
(D) at a low reverse voltage
Option d – at a low reverse voltage
We covered all the zener diode experiment class 12 above in this post for free so that you can practice well for the exam.
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